Our closet installed gas fired heating furnace Model Rheem…

Customer Question

Our closet installed gas...

Our closet installed gas fired heating furnace Model Rheem Criterion II does not turn on after setting the thermostat. I hear no clicks to indicate the the ignitor has turned on the furnace.What could be reasons for this. The system is around 15 years old. Do you have a technician who could take a look at this in Sunnyvale California. Arun Kamat

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

Filters were replace a few months ago. The setting was at 67 degrees, which I raised to &%. The thermostat says heat on, but the furnace does not fire.

Contractor's Assistant: Do you plan on doing the work yourself?

No

Contractor's Assistant: Anything else we should know to help you best?

Hello, do you hear the small inducer fan come on... first that comes on, then you should hear the clicks, Let me know,

If the inducer fan does not come on then its likely a bad printed circuit board, but tests will be required to be sure.

.

Take close up, exceedingly well focused photo's of the wiring diagram glued inside the furnace/air handler door, and the printed circuit board mounted on the blower, , that shows where the thermostat wires connect, and I will mark them up with trouble shooting instructions.

Use the 'add files' link next to your send button to get the photo(s) to me.

We can go from there with training, coaching and diagnosis.... without a time limit, In depth with as much detail as needed .

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I will tell you that...the things you have to go through to be an Expert are quite rigorous.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.